You can hang the flower box and plant pot from a balcony rail and create a decorative garden, even on a small space. http://www.ikea.com/cn/en/images/products/socker-flower-box-with-holder-white__0487084_PE622426_S4.JPGSOCKER Flower box with holder, in/outdoor, whitehttp://www.ikea.com/cn/en/catalog/products/30338825/303.388.25IKEA¥ 69.00